algorithm
1.[Algorithm] 1 week(1.10 ~ 16) 1/3
LeetCode. No. 2000. Reverse Prefix of Word
2.[Algorithm] 1 week(1.10 ~ 16) 2/3
LeetCode 557. Reverse Words in a String III
3.[Algorithm] 1 week(1.10 ~ 16) 3/3
905. Sort Array By Parity
4.[Algorithm] 2 week(1.17 ~ 23) 1/3
728. Self Dividing Numbers
5.[Algorithm] 2 week(1.17 ~ 23) 2/3
2032. Two Out of Three
6.[Algorithm] 2 week(1.17 ~ 23) 3/3
922. Sort Array By Parity II
7.[Algorithm] 3 week(1.24 ~ 30) 1/3
1460. Make Two Arrays Equal by Reversing Sub-arrays
8.[Algorithm] 3 week(1.24 ~ 30) 2/3
821. Shortest Distance to a Character
9.[Algorithm] 3 week(1.24 ~ 30) 3/3
2108. Find First Palindromic String in the Array
10.[Algorithm] 4 week(1.30 ~ 2.6) 1/3
1748. Sum of Unique Elements
11.[Algorithm] 4 week(1.30 ~ 2.6) 2/3
2114. Maximum Number of Words Found in Sentences
12.[Algorithm] 4 week(1.30 ~ 2.6) 3/3
1200. Minimum Absolute Difference
13.[Algorithm] 5 week(2.7 ~ 13) 1/3
1002. Find Common Characters
14.[Algorithm] 5 week(2.7 ~ 13) 2/3
2089. Find Target Indices After Sorting Array
15.[Algorithm] 5 week(2.7 ~ 13) 3/3
804. Unique Morse Code Words
16.[Algorithm] 6 week(2.14 ~ 20) 1/3
1304. Find N Unique Integers Sum up to Zero
17.[Algorithm] 6 week(2.14 ~ 20) 2/3
Runtime: 60 ms, faster than 98.75% of JavaScript online submissions for Intersection of Two Arrays.Memory Usage: 34.8 MB, less than 56.82% of JavaScri
18.[Algorithm] 6 week(2.14 ~ 20) 3/3
1356. Sort Integers by The Number of 1 Bits
19.[Algorithm] 7 week(2.21 ~ 27) 1/3
1732. Find the Highest Altitude
20.[Algorithm] 7 week(2.21 ~ 27) 2/3
1122. Relative Sort Array
21.[Algorithm] 7 week(2.21 ~ 27) 3/3
944. Delete Columns to Make Sorted runtime 76ms / faster than 96.03% code
22.[Algorithm] 8 week(2.28 ~ 3.6) 1/3
1979. Find Greatest Common Divisor of Array
23.[Algorithm] 8 week(2.28 ~ 3.6) 2/3
2176. Count Equal and Divisible Pairs in an Array
24.[Algorithm] 8 week(2.28 ~ 3.6) 3/3
832. Flipping an Image
25.[Algorithm] 9 week(3.7 ~ 3.13) 1/3
561. Array Partition I
26.[Algorithm] 9 week(3.7 ~ 3.13) 2/3
1441. Build an Array With Stack Operations
27.[Algorithm] 9 week(3.7 ~ 3.13) 3/3
977. Squares of a Sorted Array
28.[Algorithm] 10 week(3.14 ~ 3.20) 1/3
496. Next Greater Element I
29.[Algorithm] 10 week(3.14 ~ 3.20) 1/3
1656. Design an Ordered Stream
30.[Algorithm] 10 week(3.14 ~ 3.20) 1/3
1656. Design an Ordered Stream
31.[Algorithm] 10 week(3.14 ~ 3.20) 1/3
1656. Design an Ordered Stream
32.[Algorithm] 10 week(3.14 ~ 3.20) 1/3
1656. Design an Ordered Stream
33.[Algorithm] 10 week(3.14 ~ 3.20) 2/3
1656. Design an Ordered Stream
34.[Algorithm] 10 week(3.14 ~ 3.20) 3/3
1967. Number of Strings That Appear as Substrings in Word
35.[Algorithm] 11 week(3.21 ~ 3.27) 1/3
2078. Two Furthest Houses With Different Colors
36.[Algorithm] 11 week(3.21 ~ 3.27) 2/3
682. Baseball Game
37.[Algorithm] 11 week(3.21 ~ 3.27) 3/3
1636. Sort Array by Increasing Frequency
38.[Algorithm] 12 week(3.28 ~ 4.03) 1/3
852. Peak Index in a Mountain Array
39.[Algorithm] 12 week(3.28 ~ 4.03) 2/3
1572. Matrix Diagonal Sum
40.[Algorithm] 12 week(3.28 ~ 4.03) 3/3
1021. Remove Outermost Parentheses
41.[Algorithm] 13 week(4.04 ~ 4.10) 1/3
2220. Minimum Bit Flips to Convert Number
42.[Algorithm] 13 week(4.04 ~ 4.10) 2/3
237. Delete Node in a Linked List
43.[Algorithm] 13 week(4.04 ~ 4.10) 3/3
2194. Cells in a Range on an Excel Sheet
44.[Algorithm] 14 week(4.11 ~ 4.17) 1/3
1464. Maximum Product of Two Elements in an Array
45.[Algorithm] 14 week(4.11 ~ 4.17) 2/3
1051. Height Checker
46.[Algorithm] 14 week(4.11 ~ 4.17) 3/3
1614. Maximum Nesting Depth of the Parentheses
47.[Algorithm] 15 week(4.18 ~ 4.24) 1/3
2154. Keep Multiplying Found Values by Two
48.[Algorithm] 15 week(4.18 ~ 4.24) 2/3
1266. Minimum Time Visiting All Points
49.[Algorithm] 15 week(4.18 ~ 4.24) 3/3
2037. Minimum Number of Moves to Seat Everyone
50.[Algorithm] 16 week(4.25 ~ 5.01) 1/3
83. Remove Duplicates from Sorted List
51.[Algorithm] 16 week(4.25 ~ 5.01) 2/3
1837. Sum of Digits in Base K
52.[Algorithm] 16 week(4.25 ~ 5.01) 3/3
프로그래머스 - 신고 결과 받기
53.[Algorithm] 17 week(5.02 ~ 5.08) 1/3
2085. Count Common Words With One Occurrence
54.[Algorithm] 17 week(5.02 ~ 5.08) 2/3
938. Range Sum of BST
55.[Algorithm] 17 week(5.02 ~ 5.08) 3/3
2236. Root Equals Sum of Children
56.[Algorithm] 17 week(5.09 ~ 5.15) 1/3
206. Reverse Linked List
57.[Algorithm] 17 week(5.09 ~ 5.15) 2/3
2160. Minimum Sum of Four Digit Number After Splitting Digits
58.[Algorithm] 17 week(5.09 ~ 5.15) 3/3
2057. Smallest Index With Equal Value
59.[Algorithm] 18 week(5.16 ~ 5.22) 1/3
1725. Number Of Rectangles That Can Form The Largest Square
60.[Algorithm] 18 week(5.16 ~ 5.22) 2/3
2255. Count Prefixes of a Given String
61.[Algorithm] 18 week(5.16 ~ 5.22) 3/3
1827. Minimum Operations to Make the Array Increasing
62.[Algorithm] 19 week(5.23 ~ 5.29) 1/3
2119. A Number After a Double Reversal
63.[Algorithm] 19 week(5.23 ~ 5.29) 2/3
1880. Check if Word Equals Summation of Two Words
64.[Algorithm] 19 week(5.23 ~ 5.29) 3/3
1450. Number of Students Doing Homework at a Given Time
65.[Algorithm] 20 week(5.30 ~ 6.5) 1/3
1379. Find a Corresponding Node of a Binary Tree in a Clone of That Tree
66.[Algorithm] 20 week(5.30 ~ 6.5) 2/3
338. Counting Bits
67.[Algorithm] 20 week(5.30 ~ 6.5) 3/3
226. Invert Binary Tree
68.[Algorithm] 21 week(6.6 ~ 6.12) 1/3
283. Move Zeroes
69.[Algorithm] 21 week(6.6 ~ 6.12) 2/3
121. Best Time to Buy and Sell Stock
70.[Algorithm] 21 week(6.6 ~ 6.12) 3/3
155. Min Stack
71.[Algorithm] 22 week(6.13 ~ 6.19) 1/3
234. Palindrome Linked List
72.[Algorithm] 22 week(6.13 ~ 6.19) 2/3
242. Valid Anagram
73.[Algorithm] 23 week(6.20 ~ 6.26) 1/3
1827. Minimum Operations to Make the Array Increasing
74.[Algorithm] 23 week(6.20 ~ 6.26) 2/3
1436. Destination City
75.[Algorithm] 23 week(6.20 ~ 6.26) 3/3
2206. Divide Array Into Equal Pairs
76.[Algorithm] 24 week(6.27 ~ 7.03) 2/3
1337. The K Weakest Rows in a Matrix
77.[Algorithm] 24 week(6.27 ~ 7.03) 3/3
543. Diameter of Binary Tree
78.[Algorithm] 25 week(7.04 ~ 7.10) 1/3
1351. Count Negative Numbers in a Sorted Matrix
79.[Algorithm] 25 week(7.04 ~ 7.10) 2/3
191. Number of 1 Bits
80.[Algorithm] 25 week(7.04 ~ 7.10) 3/3
2325. Decode the Message
81.[Algorithm] 26 week(7.11 ~ 7.17) 1/3
프로그래머스 같은 숫자는 싫어
82.[Algorithm] 26 week(7.11 ~ 7.17) 2/3
프로그래머스 올바른 괄호
83.[Algorithm] 26 week(7.11 ~ 7.17) 3/3
프로그래머스 포켓몬 다른사람 풀이
84.[Algorithm] 27 week(7.18 ~ 7.24) 1/3
프로그래머스 없는 숫자 더하기
85.[Algorithm] 27 week(7.18 ~ 7.24) 2/3
프로그래머스 소수 만들기
86.[Algorithm] 27 week(7.18 ~ 7.24) 3/3
프로그래머스 음양 더하기
87.[Algorithm] 28 week(7.25 ~ 7.31) 1/3
1704. Determine if String Halves Are Alike
88.[Algorithm] 28 week(7.25 ~ 7.31) 2/3
프로그래머스 최대공약수와 최소공배수
89.[Algorithm] 28 week(7.25 ~ 7.31) 3/3
100. Same Tree
90.[Algorithm] 29 week(8.01 ~ 8.07) 1/3
프로그래머스 2016년
91.[Algorithm] 29 week(8.01 ~ 8.07) 2/3
1941. Check if All Characters Have Equal Number of Occurrences
92.[Algorithm] 29 week(8.01 ~ 8.07) 3/3
프로그래머스 체육복
93.[Algorithm] 29 week(8.08 ~ 8.14) 1/3
1323. Maximum 69 Number
94.[Algorithm] 29 week(8.08 ~ 8.14) 2/3
2367. Number of Arithmetic Triplets
95.[Algorithm] 29 week(8.08 ~ 8.14) 3/3
2315. Count Asterisks
96.[Algorithm] 30 week(8.15 ~ 8.21) 1/3
1309. Decrypt String from Alphabet to Integer Mapping
97.[Algorithm] 30 week(8.15 ~ 8.21) 2/3
387. First Unique Character in a String
98.[Algorithm] 30 week(8.15 ~ 8.21) 3/3
942. DI String Match
99.[Algorithm] 31 week(8.22 ~ 8.28) 1/3
342. Power of Four
100.[Algorithm] 31 week(8.22 ~ 8.28) 2/3
657. Robot Return to Origin
101.[Algorithm] 31 week(8.22 ~ 8.28) 3/3
383. Ransom Note
102.[Algorithm] 31 week(8.29 ~ 9.04) 1/3
326. Power of Three
103.[Algorithm] 31 week(8.29 ~ 9.04) 2/3
1480. Running Sum of 1d Array
104.[Algorithm] 31 week(8.29 ~ 9.04) 3/3
724. Find Pivot Index
105.[Algorithm] 32 week(9.05 ~ 9.11) 1/3
205. Isomorphic Strings
106.[Algorithm] 32 week(9.05 ~ 9.11) 2/3
392. Is Subsequence
107.[Algorithm] 32 week(9.05 ~ 9.11) 3/3
21. Merge Two Sorted Lists
108.[Algorithm] 33 week(9.12 ~ 9.18) 1/3
876. Middle of the Linked List
109.[Algorithm] 33 week(9.12 ~ 9.18) 2/3
409. Longest Palindrome
110.[Algorithm] 33 week(9.12 ~ 9.18) 3/3
202. Happy Number
111.[Algorithm] 34 week(9.19 ~ 9.25) 1/3
94. Binary Tree Inorder Traversal
112.[Algorithm] 34 week(9.19 ~ 9.25) 2/3
112. Path Sum
113.[Algorithm] 34 week(9.19 ~ 9.25) 3/3
108. Convert Sorted Array to Binary Search Tree
114.[Algorithm] 35 week(9.26 ~ 10.02) 1/3
937. Reorder Data in Log Files
115.[Algorithm] 35 week(9.26 ~ 10.02) 2/3
819. Most Common Word
116.[Algorithm] 35 week(9.26 ~ 10.02) 3/3
49. Group Anagrams
117.[Algorithm] 36 week(10.03 ~ 10.09) 1/3
49. Group Anagrams
118.[Algorithm] 36 week(10.03 ~ 10.09) 2/3
125. Valid Palindrome
119.[Algorithm] 36 week(10.03 ~ 10.09) 3/3
5. Longest Palindromic Substring
120.[Algorithm] 37 week(10.10 ~ 10.16) 1/3
Trapping Rain Water
121.[Algorithm] 37 week(10.10 ~ 10.16) 2/3
15. 3Sum
122.[Algorithm] 37 week(10.10 ~ 10.16) 3/3
238. Product of Array Except Self
123.[Algorithm] 38 week(10.17 ~ 10.23) 1/3
2. Add Two Numbers
124.[Algorithm] 38 week(10.17 ~ 10.23) 2/3
24. Swap Nodes in Pairs
125.[Algorithm] 38 week(10.17 ~ 10.23) 3/3
328. Odd Even Linked List
126.[Algorithm] 39 week(10.24 ~ 10.30) 1/3
92. Reverse Linked List II
127.[Algorithm] 39 week(10.24 ~ 10.30) 2/3
122. Best Time to Buy and Sell Stock II
128.[Algorithm] 39 week(10.24 ~ 10.30) 3/3
406. Queue Reconstruction by Height
129.[Algorithm] 40 week(10.31 ~ 11.04) 1/3
621. Task Scheduler
130.[Algorithm] 40 week(10.31 ~ 11.04) 2/3
구명보트
131.[Algorithm] 40 week(10.31 ~ 11.04) 3/3
134. Gas Station
132.[Algorithm] 41 week(11.07 ~ 11.13) 1/3
455. Assign Cookies
133.[Algorithm] 41 week(11.07 ~ 11.13) 2/3
오픈채팅방
134.[Algorithm] 41 week(11.07 ~ 11.13) 3/3
739. Daily Temperatures
135.[Algorithm] 42 week(11.14 ~ 11.20) 1/3
225. Implement Stack using Queues
136.[Algorithm] 42 week(11.14 ~ 11.20) 2/3
232. Implement Queue using Stacks
137.[Algorithm] 42 week(11.14 ~ 11.20) 3/3
2427. Number of Common Factors
138.[Algorithm] 43 week(11.21 ~ 11.27) 1/3
소수찾기
139.[Algorithm] 43 week(11.21 ~ 11.27) 2/3
771. Jewels and Stones
140.[Algorithm] 43 week(11.21 ~ 11.27) 3/3
3. Longest Substring Without Repeating Characters
141.[Algorithm] 44 week(11.28 ~ 12.04) 1/3
피로도
142.[Algorithm] 44 week(11.28 ~ 12.04) 2/3
347. Top K Frequent Elements
143.[Algorithm] 44 week(11.28 ~ 12.04) 3/3
200. Number of Islands
144.[Algorithm] 45 week(12.05 ~ 12.11) 1/3
모의고사
145.[Algorithm] 45 week(12.05 ~ 12.11) 2/3
17. Letter Combinations of a Phone Number
146.[Algorithm] 45 week(12.05 ~ 12.11) 3/3
46. Permutations
147.[Algorithm] 46 week(12.12 ~ 12.17) 1/3
최소직사각형
148.[Algorithm] 46 week(12.12 ~ 12.17) 2/3
77. Combinations
149.[Algorithm] 46 week(12.12 ~ 12.17) 3/3
39. Combination Sum
150.[Algorithm] 47 week(12.19 ~ 12.25) 1/3
기능개발
151.[Algorithm] 47 week(12.19 ~ 12.25) 2/3
78. Subsets
152.[Algorithm] 47 week(12.19 ~ 12.25) 3/3
332. Reconstruct Itinerary
153.[Algorithm] 48 week(12.26 ~ 12.31) 1/3
가장 큰 수
154.[Algorithm] 48 week(12.26 ~ 12.31) 2/3
k번째수
155.[Algorithm] 48 week(12.26 ~ 12.31) 3/3
687. Longest Univalue Path
156.[TIL] leetCode. Merge Two Binary Trees
157.[TIL] LeetCode.Balanced Binary Tree